html, body {
    margin: 0;
    padding: 0;
    overflow: hidden;
}

a {
    text-decoration: none;
}

#top {
    width: 100%;
    height: 10%;
    background-color: #00E5EE;
}

#left {
    width: 15%;
    height: 86.5%;
    background-color: #F5F5DC;
    float: left;
}

.right {
    width: 85%;
    height: 86.5%;
    display: inline-block;
    background-color: #F0F8FF;
}


#bottom {
    width: 100%;
    height: 3.5%;
    background-color: #7CCD7C;
    text-align: center;
    bottom: 0;
    position: fixed;
}

.title {
    color: white;
    font-size: larger;
    display: inline;
    line-height: 62px;
}

.welcome {
    display: inline;
    float: right;
    line-height: 36px;
}

.showTime {
    display: inline;
    float: right;
    line-height: 36px;
}

/*退出*/
.quit {
    display: inline;
    float: right;
    line-height: 36px;
}

/*功能块样式*/
.rad {
    outline: .7em solid #E0FFFF;
    box-shadow: 0 0 0 .4em E0FFFF;
    max-width: 12em;
    border-radius: 1.2em;
    padding: 1em;
    margin: 1em;
    background: #EEE685;
    font: 100%/1.5 sans-serif;
    text-align: center;
}

.rad:hover {
    cursor: pointer;
    background-color: #7FFFD4;
}